20769702928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1263979}}^1$

素因数の和:1264079

約数の個数: 40

約数和(自身を含む): 43885385600

約数和(自身を除く): 23115682672

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 316, 632, 1027, 1264, 2054, 4108, 8216, 16432, 1263979, 2527958, 5055916, 10111832, 16431727, 20223664, 32863454, 65726908, 99854341, 131453816, 199708682, 262907632, 399417364, 798834728, 1298106433, 1597669456, 2596212866, 5192425732, 10384851464, 20769702928]

約数ペア:

[(1, 20769702928), (2, 10384851464), (4, 5192425732), (8, 2596212866), (13, 1597669456), (16, 1298106433), (26, 798834728), (52, 399417364), (79, 262907632), (104, 199708682), (158, 131453816), (208, 99854341), (316, 65726908), (632, 32863454), (1027, 20223664), (1264, 16431727), (2054, 10111832), (4108, 5055916), (8216, 2527958), (16432, 1263979)]